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Biogen

US · BIIB #623 by market cap Listed 1970
222.15 -0.74 -0.33%
Live - 5344 symbols - heartbeat 528s ago · 2026-10-08 04:46
Pre-market 222.80 +0.29%
After-hours 222.15 0.00%
Overnight 221.74 -0.18%
Market cap
32.82B
P/B
1.74
EPS
8.79
Reader sentiment Are you bullish or bearish on BIIB?

Anonymous reader poll. Unscientific, not investment advice.

✦ Today’s options flow

Calls lead
785 52
■ Call volume■ Put volume
  • Calls are outnumbering puts by more than 14.3 to 1 today — the day's options flow leans bullish.

Options-implied move vs. analyst target

The chain's longest listed expiration (Nov 6, 2026, 29 days out) implies 39.10% annualized vol near the money — a one-standard-deviation move to roughly $197.67–$246.63 by then.

Options-implied (~68% band), 29d
$197.67now $222.15$246.63
Analyst target range, ~12mo
$175.00avg $239.95$300.00

Two different things on the same scale: the purple band is the options market's own near-term volatility pricing (statistical, 29 days out); the blue band is sell-side opinion on a roughly 12-month horizon. Neither is a forecast.

Most active contracts today

ContractTypeLastVolumeOpen int.IV
Oct 2 $240.00 Call $0.10 490 539 131.02%
Oct 9 $240.00 Call $0.10 116 767 62.25%
Oct 16 $210.00 Call $15.38 58 147 40.76%
Oct 9 $215.00 Put $0.28 27 9 51.48%
Oct 16 $250.00 Call $0.50 11 324 50.24%
Oct 16 $230.00 Call $3.11 8 322 39.88%
Nov 6 $255.00 Call $1.83 8 0 41.15%
Oct 9 $227.50 Call $2.63 6 42 63.46%
Oct 9 $237.50 Call $0.25 6 9 65.89%
Oct 16 $227.50 Call $4.01 6 39 34.94%

Ranked by today’s contract volume, calls and puts together. Ties in the underlying data land in whatever order the database returns them.

Full chain, by expiration

Oct 2, 2026 (50 strikes)
CallsStrikePuts
LastVolOILastVolOI
$115.95 0 0 $110.00 $0.00 0 0
$110.95 0 0 $115.00 $0.00 0 0
$105.95 0 0 $120.00 $0.00 0 0
$100.95 0 0 $125.00 $0.00 0 0
$95.95 0 0 $130.00 $0.00 0 0
$90.95 0 0 $135.00 $0.00 0 0
$85.96 0 0 $140.00 $0.00 0 0
$80.96 0 0 $145.00 $0.00 0 0
$75.96 0 0 $150.00 $0.00 0 0
$70.96 0 0 $155.00 $0.00 0 0
$65.96 0 0 $160.00 $0.00 0 0
$60.96 0 0 $165.00 $0.00 0 0
$55.96 0 0 $170.00 $0.00 0 0
$50.96 0 0 $175.00 $0.00 0 0
$45.96 0 0 $180.00 $0.00 0 0
$40.96 0 0 $185.00 $0.00 0 1
$35.97 0 0 $190.00 $0.00 0 2
$33.47 0 0 $192.50 $0.00 0 0
$30.97 0 0 $195.00 $0.00 0 20
$28.47 0 0 $197.50 $0.00 0 1
$25.97 0 0 $200.00 $0.00 0 37
$23.48 0 0 $202.50 $0.01 0 0
$20.99 0 8 $205.00 $0.02 0 37
$18.52 0 0 $207.50 $0.05 0 0
$16.08 0 36 $210.00 $0.11 0 342
$13.69 0 1 $212.50 $0.22 0 2
$11.52 0 4 $215.00 $0.55 0 31
$9.36 0 3 $217.50 $0.89 0 3
$7.19 0 10 $220.00 $1.22 0 57
$5.02 0 10 $222.50 $1.55 0 13
$1.00 2 36 $225.00 $2.25 1 26
$2.03 0 7 $227.50 $2.80 1 1
$0.60 3 69 $230.00 $5.23 0 10
$0.99 0 60 $232.50 $7.53 0 1
$0.48 1 21 $235.00 $9.83 0 0
$0.58 0 8 $237.50 $12.13 0 0
$0.10 490 539 $240.00 $14.43 0 0
$0.22 0 0 $242.50 $16.78 0 0
$0.12 0 12 $245.00 $19.19 0 0
$0.07 0 0 $247.50 $21.64 0 0
$0.10 1 1,017 $250.00 $24.12 0 0
$0.01 0 81 $255.00 $29.12 0 0
$0.00 0 0 $260.00 $34.12 0 0
$0.00 0 0 $265.00 $39.12 0 0
$0.00 0 0 $270.00 $44.12 0 0
$0.00 0 0 $275.00 $49.12 0 0
$0.00 0 0 $280.00 $54.12 0 0
$0.00 0 0 $285.00 $59.12 0 0
$0.00 0 0 $290.00 $64.12 0 0
$0.00 0 0 $295.00 $69.12 0 0
Oct 9, 2026 (52 strikes)
CallsStrikePuts
LastVolOILastVolOI
$113.00 0 0 $110.00 $0.00 0 0
$108.00 0 0 $115.00 $0.00 0 0
$103.00 0 0 $120.00 $0.05 4 7
$98.00 0 0 $125.00 $0.00 0 0
$93.00 0 0 $130.00 $0.00 0 0
$88.01 0 0 $135.00 $0.00 0 0
$83.01 0 0 $140.00 $0.00 0 0
$78.01 0 0 $145.00 $0.00 0 0
$73.01 0 0 $150.00 $0.00 0 0
$68.01 0 0 $155.00 $0.00 0 0
$63.01 0 0 $160.00 $0.00 0 0
$58.02 0 0 $165.00 $0.00 0 0
$53.02 0 0 $170.00 $0.00 0 0
$48.03 0 0 $175.00 $0.01 0 0
$43.06 0 0 $180.00 $0.04 0 0
$38.12 0 0 $185.00 $0.10 0 0
$36.23 2 0 $190.00 $0.15 0 0
$33.77 2 0 $192.50 $0.18 0 0
$28.23 0 3 $195.00 $0.21 0 0
$25.76 0 0 $197.50 $0.24 0 0
$23.29 0 0 $200.00 $0.27 0 623
$20.82 0 0 $202.50 $0.29 0 0
$18.35 0 8 $205.00 $0.32 0 131
$15.88 0 0 $207.50 $0.35 0 2
$13.50 0 0 $210.00 $0.35 1 30
$11.30 0 0 $212.50 $0.77 0 17
$9.19 0 2 $215.00 $0.28 27 9
$7.09 0 1 $217.50 $0.58 3 4
$7.73 5 13 $220.00 $2.13 0 11
$4.40 5 3 $222.50 $1.00 1 2
$3.40 4 31 $225.00 $4.49 0 23
$2.63 6 42 $227.50 $6.16 0 2
$2.00 3 32 $230.00 $7.97 0 0
$0.75 5 10 $232.50 $10.39 0 1
$0.45 2 90 $235.00 $12.82 0 0
$0.25 6 9 $237.50 $15.24 0 0
$0.10 116 767 $240.00 $17.67 0 0
$0.59 0 0 $242.50 $20.09 0 0
$0.51 0 3 $245.00 $22.52 0 0
$0.43 0 0 $247.50 $24.94 0 0
$0.36 0 0 $250.00 $27.37 0 0
$0.28 0 0 $252.50 $29.80 0 0
$0.20 0 0 $255.00 $32.23 0 0
$0.10 0 0 $260.00 $37.14 0 0
$0.05 0 0 $265.00 $42.11 0 0
$0.02 0 0 $270.00 $47.11 0 0
$0.01 0 0 $275.00 $52.11 0 0
$0.00 0 0 $280.00 $57.11 0 0
$0.00 0 0 $285.00 $62.11 0 0
$0.00 0 0 $290.00 $67.11 0 0
$0.00 0 0 $295.00 $72.11 0 0
$0.00 0 0 $300.00 $77.11 0 0
Oct 16, 2026 (53 strikes)
CallsStrikePuts
LastVolOILastVolOI
$123.24 0 2 $100.00 $0.00 0 0
$118.24 0 1 $105.00 $0.00 0 1
$113.25 0 0 $110.00 $0.00 0 4
$108.25 0 0 $115.00 $0.00 0 1
$103.26 0 0 $120.00 $0.00 0 8
$98.27 0 0 $125.00 $0.00 0 6
$93.27 0 1 $130.00 $0.00 0 10
$88.28 0 0 $135.00 $0.01 0 2
$83.29 0 0 $140.00 $0.01 0 11
$78.30 0 0 $145.00 $0.01 0 14
$73.31 0 0 $150.00 $0.02 0 12
$68.32 0 1 $155.00 $0.03 0 9
$63.34 0 8 $160.00 $0.04 0 31
$58.37 0 2 $165.00 $0.06 0 39
$53.40 0 3 $170.00 $0.09 0 52
$48.44 0 5 $175.00 $0.12 0 186
$43.50 0 14 $180.00 $0.18 0 165
$38.58 0 3 $185.00 $0.25 0 10
$33.69 0 494 $190.00 $0.36 0 493
$31.26 0 0 $192.50 $0.42 0 0
$28.84 0 6 $195.00 $0.43 1 8
$26.43 0 1 $197.50 $0.59 0 0
$24.04 0 309 $200.00 $0.53 1 367
$21.67 0 0 $202.50 $0.83 0 0
$19.30 0 0 $205.00 $0.96 0 2
$17.07 0 0 $207.50 $1.22 0 0
$15.38 58 147 $210.00 $1.48 0 223
$12.60 0 0 $212.50 $1.75 0 165
$10.36 0 0 $215.00 $1.21 1 0
$8.20 0 4 $217.50 $2.35 0 3
$7.96 3 299 $220.00 $2.53 2 145
$4.79 0 6 $222.50 $3.95 0 5
$4.03 0 122 $225.00 $5.69 0 8
$4.01 6 39 $227.50 $7.58 0 10
$3.11 8 322 $230.00 $9.54 0 8
$2.31 0 28 $232.50 $11.51 0 0
$1.80 0 52 $235.00 $10.89 1 0
$1.29 0 7 $237.50 $12.99 1 0
$1.05 2 365 $240.00 $17.55 0 2
$0.70 2 0 $242.50 $20.02 0 0
$0.70 0 5 $245.00 $22.49 0 0
$0.66 0 0 $247.50 $24.96 0 0
$0.50 11 324 $250.00 $27.43 0 0
$0.59 0 0 $252.50 $29.90 0 0
$0.55 0 5 $255.00 $32.37 0 0
$0.48 0 166 $260.00 $37.31 0 0
$0.42 0 0 $265.00 $42.26 0 0
$0.36 0 21 $270.00 $47.22 0 0
$0.31 0 0 $275.00 $52.19 0 0
$0.27 0 22 $280.00 $57.17 0 0
$0.24 0 0 $285.00 $62.15 0 0
$0.21 0 21 $290.00 $67.13 0 0
$0.16 0 8 $300.00 $77.11 0 0
Oct 23, 2026 (53 strikes)
CallsStrikePuts
LastVolOILastVolOI
$113.38 0 0 $110.00 $0.01 0 0
$108.39 0 0 $115.00 $0.01 0 0
$103.40 0 0 $120.00 $0.02 0 1
$98.42 0 0 $125.00 $0.03 0 0
$93.44 0 0 $130.00 $0.04 0 0
$88.46 0 0 $135.00 $0.05 0 0
$83.49 0 0 $140.00 $0.07 0 0
$78.52 0 0 $145.00 $0.09 0 0
$73.56 0 0 $150.00 $0.12 0 0
$68.61 0 0 $155.00 $0.16 0 0
$63.67 0 0 $160.00 $0.21 0 0
$58.74 0 0 $165.00 $0.28 0 0
$53.83 0 0 $170.00 $0.35 0 0
$48.94 0 0 $175.00 $0.45 0 0
$44.07 0 0 $180.00 $0.58 0 0
$39.24 0 0 $185.00 $0.73 0 1
$34.44 0 0 $190.00 $0.93 0 0
$0.00 0 0 $192.50 $0.00 0 0
$29.68 0 0 $195.00 $1.17 0 0
$27.31 0 0 $197.50 $1.29 0 0
$24.93 0 0 $200.00 $1.41 0 1
$22.56 0 0 $202.50 $1.53 0 0
$20.18 0 0 $205.00 $1.65 0 0
$17.85 0 0 $207.50 $1.81 0 0
$16.65 1 2 $210.00 $2.15 0 11
$14.62 1 0 $212.50 $1.60 2 1
$11.52 0 6 $215.00 $2.98 0 13
$9.71 0 0 $217.50 $3.68 0 0
$8.04 0 198 $220.00 $4.50 0 6
$6.53 0 0 $222.50 $5.50 0 0
$5.53 0 201 $225.00 $7.01 0 4
$6.19 1 1 $227.50 $8.78 0 0
$5.18 3 426 $230.00 $10.55 0 2
$3.31 0 0 $232.50 $12.33 0 0
$2.20 1 5 $235.00 $14.13 0 0
$2.25 0 0 $237.50 $16.30 0 0
$1.70 4 21 $240.00 $18.46 0 0
$1.68 0 0 $242.50 $20.75 0 0
$1.51 0 70 $245.00 $23.11 0 0
$0.00 0 0 $247.50 $0.00 0 0
$0.75 4 1 $250.00 $27.96 0 0
$0.00 0 0 $252.50 $0.00 0 0
$1.20 0 1 $255.00 $32.82 0 0
$0.00 0 0 $257.50 $0.00 0 0
$1.06 0 0 $260.00 $37.70 0 0
$0.94 0 0 $265.00 $42.60 0 0
$0.83 0 0 $270.00 $47.51 0 0
$0.74 0 0 $275.00 $52.43 0 0
$0.66 0 0 $280.00 $57.37 0 0
$0.59 0 0 $285.00 $62.31 0 0
$0.53 0 0 $290.00 $67.27 0 0
$0.47 0 0 $295.00 $72.23 0 0
$0.42 0 0 $300.00 $77.20 0 0
Oct 30, 2026 (39 strikes)
CallsStrikePuts
LastVolOILastVolOI
$113.61 0 0 $110.00 $0.09 0 0
$108.64 0 0 $115.00 $0.11 0 0
$103.68 0 0 $120.00 $0.13 0 0
$98.73 0 0 $125.00 $0.17 0 0
$93.78 0 0 $130.00 $0.20 0 0
$88.83 0 0 $135.00 $0.25 0 0
$83.90 0 0 $140.00 $0.30 0 0
$78.97 0 0 $145.00 $0.36 0 0
$74.05 0 0 $150.00 $0.42 0 0
$69.14 0 0 $155.00 $0.50 0 0
$64.24 0 0 $160.00 $0.59 0 0
$59.35 0 0 $165.00 $0.69 0 0
$54.48 0 0 $170.00 $0.80 0 0
$49.61 0 0 $175.00 $0.93 0 0
$44.76 0 2 $180.00 $1.06 0 0
$39.92 0 0 $185.00 $1.21 0 0
$35.08 0 0 $190.00 $1.35 0 0
$30.23 0 1 $195.00 $1.50 0 2
$25.65 0 0 $200.00 $1.90 0 14
$21.45 0 0 $205.00 $2.70 0 15
$17.36 0 4 $210.00 $3.60 0 1
$13.66 0 1 $215.00 $4.90 0 2
$11.01 0 24 $220.00 $7.25 0 5
$8.50 0 22 $225.00 $9.75 0 1
$6.33 0 13 $230.00 $12.60 0 2
$4.75 0 22 $235.00 $16.04 0 0
$4.00 4 14 $240.00 $19.49 0 0
$2.49 0 6 $245.00 $23.86 0 0
$1.89 2 4 $250.00 $28.24 0 0
$1.50 0 2 $255.00 $32.95 0 0
$1.35 0 0 $260.00 $37.82 0 0
$1.23 0 0 $265.00 $42.71 0 0
$1.11 0 0 $270.00 $47.61 0 0
$1.01 0 0 $275.00 $52.53 0 0
$0.92 0 0 $280.00 $57.46 0 0
$0.84 0 0 $285.00 $62.39 0 0
$0.76 0 0 $290.00 $67.34 0 0
$0.69 0 0 $295.00 $72.29 0 0
$0.64 0 0 $300.00 $77.25 0 0
Nov 6, 2026 (38 strikes)
CallsStrikePuts
LastVolOILastVolOI
$108.81 0 0 $115.00 $0.03 0 0
$103.85 0 0 $120.00 $0.05 0 0
$98.91 0 0 $125.00 $0.10 0 0
$93.99 0 0 $130.00 $0.16 0 0
$89.10 0 0 $135.00 $0.25 0 0
$84.23 0 0 $140.00 $0.37 0 0
$79.36 0 0 $145.00 $0.48 0 0
$74.49 0 0 $150.00 $0.59 0 0
$69.62 0 0 $155.00 $0.71 0 0
$64.75 0 0 $160.00 $0.82 0 0
$59.88 0 0 $165.00 $0.93 0 0
$55.01 0 0 $170.00 $1.05 0 0
$50.14 0 0 $175.00 $1.16 0 0
$45.26 0 0 $180.00 $1.27 0 0
$40.39 0 0 $185.00 $1.39 0 1
$35.58 0 0 $190.00 $1.56 0 0
$30.77 0 0 $195.00 $1.73 0 0
$26.26 0 0 $200.00 $2.21 0 1
$22.35 0 0 $205.00 $3.29 0 1
$18.44 0 0 $210.00 $3.90 2 2
$15.17 0 0 $215.00 $6.15 3 1
$13.60 4 45 $220.00 $7.95 0 4
$10.57 1 5 $225.00 $10.35 0 1
$8.20 1 4 $230.00 $13.22 0 3
$6.42 1 19 $235.00 $16.55 0 1
$4.40 4 31 $240.00 $20.22 0 0
$3.92 1 8 $245.00 $24.04 0 0
$2.44 0 4 $250.00 $28.58 0 0
$1.83 8 0 $255.00 $33.14 0 0
$1.63 0 1 $260.00 $37.87 0 0
$1.11 1 0 $265.00 $42.73 0 0
$1.33 0 1 $270.00 $47.63 0 0
$1.20 0 0 $275.00 $52.53 0 0
$1.08 0 0 $280.00 $57.44 0 0
$0.95 0 0 $285.00 $62.35 0 0
$0.83 0 0 $290.00 $67.27 0 0
$0.70 0 0 $295.00 $72.20 0 0
$0.58 0 0 $300.00 $77.15 0 0

Chain covers the nearest 6 expirations only — where almost all retail volume sits. Data as of 2026-10-08 15:13, refreshed a few times a day, not real-time.

For reference only, not investment advice. Options involve risk and are not suitable for every investor.

Quote time 2026-10-08 04:46:37 · For reference only, not investment advice and not tailored to your situation.